a = 10.2 * 3

b = 4 * 2.6

c = 4.5 / 2

d = 3 / 1.2

e = 4 / 3.4 * 2

f = 2 + 1.3

g = 2.3 + 1

h = 2.3 - 4

i = 1 - 0.6

j = 12 + 2.3 * 5 - 8.9 / 2
